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It well-known that a spherical wire antenna designed to radiate solely the TE01 mode exhibits higher radiation Q than does one designed to radiate solely the TM01 spherical mode, when both are unfilled and of the same size. Introduction of a magnetic core into a TE01 mode spherical wire antenna is known to reduce the radiation Q by reducing the magnetic energy stored in the interior of the sphere,...
It is known that a spherical wire antenna designed to excite solely the TE01 spherical mode exhibits higher radiation Q than does one designed to radiate solely the TM01 spherical mode, when energy internal to the spherical volume is taken into account. It has also been noted that the introduction of a magnetic core into a TE01 mode spherical wire antenna can reduce the radiation Q by reducing the...
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